DecisionNode vs Codebase Memory MCP

In-depth architectural comparison of the DecisionNode and Codebase Memory MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose DecisionNode when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Store decisions as JSON with fields like id, scope, status, rationale, and constraints, Embed decisions using Gemini embedding model for semantic search, CLI commands for adding, searching, editing, deprecating, and exporting decisions.

Explore DecisionNode Details

Choose Codebase Memory MCP when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: index_repository, list_projects, delete_project.

Feature & Specification Comparison

Specification	DecisionNode decisionnode Knowledge & Memory	Codebase Memory MCP DeusData Knowledge & Memory
Summary	Record development decisions as structured JSON, embed as vectors via Gemini, and search semantically over MCP. Shared store across Claude Code, Cursor, Windsurf, and any MCP client. CLI + MCP server, local-only, free Gemini embedding tier.	Code-intelligence engine that indexes a repo into a persistent knowledge graph — functions, classes, call chains, HTTP routes, cross-service links. 159 languages via tree-sitter + Hybrid LSP, sub-ms structural queries, 99% fewer tokens than grep. Single static binary, zero dependencies, 100% local. npx codebase-memory-mcp
Category & Scope

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "decisionnode-decisionnode": {
      "command": "npx",
      "args": [
        "-y",
        "decisionnode-decisionnode"
      ]
    }
  }
}

{
  "mcpServers": {
    "deusdata-codebase-memory-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "codebase-memory-mcp"
      ]
    }
  }
}

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